Title:
LED DISPLAY DEVICE COMPRISING STACKED MICRO-LED ELEMENTS AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2023/219248
Kind Code:
A1
Abstract:
Disclosed are an LED display device having excellent brightness and resolution and a method for manufacturing same. The method for manufacturing an LED display device according to the present invention comprises the steps of: (a) forming a first insulating layer on a substrate on which first and second electrode layers are arranged to be spaced apart from each other; (b) aligning a first micro-LED element on the first insulating layer corresponding to the area between the first and second electrode layers such that the lengthwise direction of the first micro-LED element is parallel to the plane of the substrate; (c) forming a second insulating layer on the substrate on which the first micro-LED element is aligned; (d) aligning a second micro-LED element on the second insulating layer corresponding to the area between the first and second electrode layers such that the lengthwise direction of the second micro-LED element is parallel to the plane of the substrate; and (e) patterning the first and second insulating layers such that the first and second electrode layers are exposed, and then depositing a first connection electrode on one end of the plurality of stacked micro-LED elements and depositing a second connection electrode on the other end thereof to connect the plurality of stacked micro-LED elements to the first and second electrode layers.
Inventors:
JHIN JUNG-GEUN (KR)
Application Number:
PCT/KR2023/003375
Publication Date:
November 16, 2023
Filing Date:
March 13, 2023
Export Citation:
Assignee:
ADVANCED VIEW TECH (KR)
International Classes:
H01L27/15; H01L25/075; H01L27/12; H01L33/36; H01L33/50
Foreign References:
| KR20220044060A | 2022-04-06 | |||
| KR20170091805A | 2017-08-10 | |||
| KR20200005692A | 2020-01-16 | |||
| US20120153319A1 | 2012-06-21 | |||
| JP2014123583A | 2014-07-03 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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